Portable and Easy Use Digital Temperature Meter with Remote Temp Sensor Built-in Design (Black) Digital LCD Thermometer For Aquarium Freezer H155 New Modeling simple, elegant, LCD panels inline connections, moisture-resistant Strong anti-interference, applies to refrigerated cabinets, display counters and other needs of temperature measurement and display of various equipment. Temperature range: -50~ 110C. Temperature display resolution: 0.1. Temperature measurement accuracy: 1C Power: two LR44 button battery-powered (include). Long probe line: 1 meter molded case probe